.box {
    /*旋转*/
    /*-webkit-animation:BoxRotate 3s ease-in-out infinite;*/
    -webkit-animation-name: BoxRotate;
    -webkit-animation-duration: 4s;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
    /*动画旋转基准*/
    -webkit-transform-origin: 400px 400px 0;
    /*开启3D*/
    -webkit-transform-style: preserve-3d;
    /*观察基角度*/
    -webkit-perspective: 886;
    -webkit-perspective-origin: 121px 54px;
}

.Grass {
    -webkit-animation: Grass 2s linear infinite;
    /*-webkit-animation-name: Grass;
    -webkit-animation-duration: 2s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;*/
}

.Car {
    -webkit-animation: Car 0.2s linear infinite;
    -webkit-perspective: 886;
    -webkit-perspective-origin: 121px 54px;
}

.WheelRight {
    -webkit-animation: WheelRight 0.2s linear infinite;
}

.WheelLeft {
    -webkit-animation: WheelRight 0.2s linear infinite;
}

.Mountain1 {
    -webkit-animation: Mountain1 20s linear infinite;
}

.Mountain2 {
    -webkit-animation: Mountain2 40s linear infinite;
}

.Mountain3 {
    -webkit-animation: Mountain3 60s linear infinite;
}

.Mountain4 {
    -webkit-animation: Mountain4 80s linear infinite;
}

.Mountain5 {
    -webkit-animation: Mountain5 120s linear infinite;
}